Huawei PISA DC 03023WED H901PISA Power Transfer Board For MA5800 Series

The H901PISA board is a power transfer board. It leads in 2 channels of -48 V DC power, and transfers the power to the protection circuit, then to the filter circuit, and finally to the backplane, supplying power to other boards in the service subrack.

Feature and Specifications:

The H901PISA board supports the following features and specifications:

Two -48 V DC power input

Filtering and current-limiting for the power input port

Power input detection and protection fuse fault detection

Reporting of the protection alarm and board online signal

Parameters:

Board Parameter

You can query power consumption, weight, maximum frame size, and normal operating temperature of all boards.

Table 1 lists the power consumption, weight, and maximum frame size of boards.

The operating temperature of H901XSED and H901TWED is -40°C to +55°C (in MA5800–X17/X15/X7) or -40°C to +65°C (in MA5800–X2) and the lowest board startup temperature is -25°C. The operating temperature of other boards is -40°C to +65°C and the lowest board startup temperature is -25°C.

NOTE:

The power consumption of a board is calculated based on the following conditions:

Operating voltage: -53.5 V DC.

Ambient temperature: 25°C.

Static power consumption: All ports do not carry any loads and optical modules are not installed on optical ports.

Maximum power consumption: All ports fully carry loads.

The board power consumption slightly varies with the power module configured for the board and discreteness of components.

Table 1 Power consumption and maximum frame size of boards

Working Principle:

Figure 1 Working principle of the H901PISA board